METHOD FOR DEVELOPING HIGH TERRASES WITH SOFT OPENING ROCKS

METHOD FOR DEVELOPING HIGH TERRASES WITH SOFT OPENING ROCKS

Method for development of high benches with soft opening rocks comprises development of the rock in the face of the cut with excavator, of formation of a stable angle of the bench side, with development in a separate face the rocks close to the upper plate of the bench and with following re-excavati...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: SHURYHIN VOLODYMYR DMYTROVYCH, HUMENYK ILLIA LVOVYCH, PANASENKO ANATOLII IVANOVYCH, SHPORTKO VALENTYN PETROVYCH, SOKOL OLEKSANDR MYKHAILOVYCH, PCHIOLKIN GEORGII DMYTROVYCH
Format: Patent
Sprache:eng
Schlagworte:
EARTH DRILLING
FIXED CONSTRUCTIONS
MINING
MINING OR QUARRYING
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Beschreibung
Zusammenfassung:Method for development of high benches with soft opening rocks comprises development of the rock in the face of the cut with excavator, of formation of a stable angle of the bench side, with development in a separate face the rocks close to the upper plate of the bench and with following re-excavation in the face of the bench cut. At development of the face of the bench cut angle of the side is formed as being temporarily stable, and with a lag with respect to the face of the bench cut in a separate face semi-trench is formed as the side with the temporarily stable angle.